Casio G-Shock GM-2100M-1AER Men's Watch • Metal Bezel • Ana-Digi

The Casio G-Shock GM-2100M-1AER combines functional beauty with the legendary shock resistance of the G-SHOCK line. Its streamlined design with a modern industrial aesthetic features a distinctive stainless steel metal bezel, shaped through sophisticated metalworking and finishing techniques. Characteristic cutouts in the bezel reveal the inner structure of the case, showcasing the shock-resistant core technology. Red accents on the function label reinforce G-SHOCK's commitment to absolute toughness.

The case is crafted from bio-based resin — a deliberate material choice that unites sustainability with durability. The textured bio-based resin strap complements any casual outfit effortlessly. With water resistance to 20 bar, Neobrite luminous coating, and a wealth of practical features including world time across 31 time zones, stopwatch, countdown timer, and 5 daily alarms, the GM-2100M-1AER is a reliable companion for everyday life and sporting activities. The ana-digi display — featuring two analogue hands for hours and minutes alongside a full digital readout — ensures maximum legibility at all times.

Key Features of the Casio GM-2100M-1AER Watch

• Shock-resistant construction with a distinctive stainless steel metal bezel and bio-based resin case in a modern industrial design
• Water-resistant to 20 bar and Neobrite luminous coating for optimal readability even in low-light conditions
• Extensive functions: World time (31 time zones), 1/100-sec. stopwatch, countdown timer, 5 daily alarms, and fully auto-calendar until 2099

Care Instructions for Wristwatches

Care & Cleaning

• Daily: Wipe case and bracelet with a soft, dry cloth to remove dirt and perspiration.
• Water-resistant watches: Clean with mild soapy water and a soft brush, rinse, dry thoroughly.
  Important: Screw the crown down firmly beforehand!!!
• Not water-resistant: Clean only dry or slightly damp, do not use water or cleaning agents.
• Avoid: Harsh chemicals, perfume, cosmetics and heat.
• Leather straps: Do not soak, clean only slightly damp and allow to dry away from heat.
• Water resistance: Do not wear in the shower or bath, have it tested annually.
• Battery (quartz): Have a depleted battery replaced immediately.
• Mechanical watches: Service by a master watchmaker every 5 years.

Storage & Handling

• Store the watch separately, not in direct contact with other jewellery (risk of scratching).
• Place mechanical watches on a flat surface when winding, do not leave the crown pulled out.